The Collaborative International Dictionary
Trional \Tri"o*nal\, n. [Pref. tri- + sulphonal; -- so called because it contains three ethyls.] (Chem.) A compound similar to sulphonal, used as a hypnotic in medicine.
Wiktionary
n. (context medicine English) The anesthetic drug ''2,2-bis(ethylsulfonyl)butane''
Wikipedia
Trional (Methylsulfonal) is a sedative-hypnotic and anesthetic drug with GABAergic actions. It has similar effects to sulfonal, except it is faster acting.
Usage examples of "trional".
Quinine for the regular morning and evening doses, sulphonal and trional for insomnia, ether for injections in case of anemia after hemorrhage, morphine for delirium, citrite of caffeine for weakness of the heart, tincture of valerian for the tympanites, bismuth to relieve nausea and vomiting, and the crushed ice wrapped in flannel cloths for the cold pack in the event of hyperpyrexia.